﻿using System;
using System.Text;
using System.Web;
using System.IO;

using ZhangBY.Common;
using System.Xml.Serialization;
using System.Xml;


namespace ZhangBY.Config
{
    /// <summary>
    /// 基本设置管理类
    /// </summary>
    class GeneralConfigFileManager : ZhangBY.Config.DefaultConfigFileManager
    {
        private static GeneralConfigInfo m_configinfo;


        /// <summary>
        /// 文件修改时间
        /// </summary>
        private static DateTime m_fileoldchange;


        /// <summary>
        /// 初始化文件修改时间和对象实例
        /// </summary>
        static GeneralConfigFileManager()
        {
            m_fileoldchange = System.IO.File.GetLastWriteTime(ConfigFilePath);

            try
            {
                m_configinfo = (GeneralConfigInfo)DefaultConfigFileManager.DeserializeInfo(ConfigFilePath, typeof(GeneralConfigInfo));
            }
            catch(Exception e)
            {
                throw e;
            }
        }


        /// <summary>
        /// 当前配置类的实例
        /// </summary>
        public new static IConfigInfo ConfigInfo
        {
            get { return m_configinfo; }
            set { m_configinfo = (GeneralConfigInfo)value; }
        }

        /// <summary>
        /// 配置文件所在路径
        /// </summary>
        public static string filename = null;


        /// <summary>
        /// 获取配置文件所在路径
        /// </summary>
        public new static string ConfigFilePath
        {
            get
            {
                if (filename == null)
                {
                    filename = Utils.FileExists(Utils.GetMapPath(BaseConfigs.GetWebPath + "config/general.config"))?
                        Utils.GetMapPath(BaseConfigs.GetWebPath + "config/general.config"):
                        Utils.GetMapPath(BaseConfigs.GetWebPath + "~/config/general.config");
                }

                return filename;
            }

        }

        /// <summary>
        /// 返回配置类实例
        /// </summary>
        /// <returns></returns>
        public static GeneralConfigInfo LoadConfig()
        {

            try
            {
                ConfigInfo = DefaultConfigFileManager.LoadConfig(ref m_fileoldchange, ConfigFilePath, ConfigInfo, true);
            }
            catch(Exception e)
            {                
                throw e;
            }
            return ConfigInfo as GeneralConfigInfo;
        }

        /// <summary>
        /// 保存配置类实例
        /// </summary>
        /// <returns></returns>
        public override bool SaveConfig()
        {
            return base.SaveConfig(ConfigFilePath, ConfigInfo);
        }
    }
}

